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23-10-2022
Physics

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The diagram below shows a light see saw which Is balanced horizontally by the weights W1 W2 W3 W4 in the positions shown: Which of the following equations correctly represents the principle of the lever balance? A. W₁ + W₂ = W3 + W4 B. W₂ - W₁ = W4 - W3 D. W₁a+W₂b = W3c + W4d E. (W₂ - W₁ )a= (W4 - W3)c F. (W₁ + W₂ )ab = (W3 + W4)cd

The diagram below shows a light see saw which Is balanced horizontally by the weights W1 W2 W3 W4 in the positions shown Which of the following equations correc class=

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